Constituent
Name
metacinnabar
Official name
mercury(II) sulfide beta
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
non-oxide ceramic
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Formula
βHgS
Chemical formula
HgS
Elemental formula
Hg S
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Hg Mercury element 1 0.5 1 constituent element main
S Sulfur element 1 0.5 1 constituent element main
Class
tridimensional covalent networks (11)
Type
metal homonuclear tridimensional networks (elemental) (11.02)
Phase name
βHgS
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hextetrahedral
Crystal class symbol
-43m (Td)
Crystal spacegroup
F-43m
Comments
There are three HgS crystalline phases: αHgS, βHgS, γHgS and an amorphous one αHgS
Texture
polycrystalline
Molar mass
232.66 g/mol
Density
7.7 - 7.8 g/cm3
Refringence type
isotropic
Refringence sign
no
Color
grayish black
Diaphaneity
opaque
Luster
metallic